OpenTechnical

OT-2026-000084189

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084189) never changes.

Identity and time

Publication numberOT-2026-000084189 · never reused
Internal UUID01a0ae98-5b5f-7ba8-bc5d-353813e834dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084189
StatusPUBLIC

Content hashes

Canonical text17fd6574f297a77ce06a94c5f091537c500069c3707bc1df57ac3d17572cba04
Markdown588b0076e1495c28c70dfcee407055c6b2d169e9991cf20954aa4468c33cc6ee
PDF
Publication page0c975370fab63f7cfea4967c3c8d9cbcfcd843d371317e5e12e695e72008327b
Manifestcddd79f24d9930a05759c066efddd6a588e7d88bddc958538b1ce39aef96cc6a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureaNDwPXxYbjRJyD22IHGXb/ITkv72J48vSP7oEKK2VxcZ6WNfvFae3KSRuiPDEVgQp7YoOfCyjvX6YiZ8NkS+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:58.094212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084189
observed 0c975370fab63f7cfea4967c3c8d9cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.076092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084189/manifest.json
observed cddd79f24d9930a05759c066efddd6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.058504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084189/publication.md
observed 588b0076e1495c28c70dfcee407055c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.039722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084189/publication.txt
observed 17fd6574f297a77ce06a94c5f091537c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.